Yeah, that's my feeling too, I think I'm subconciously giving him room instead of taking the normal track I'd use if riding solo.
Just wish he'd be courteous and take some of the bumps for me, I'm 45 and don't bounce quite as well as I used too!
Don't feel quite so bad about the post in the trail now, my other son-in-law hit the same pole a few hours later.
ken.